Natural Discharge

library(r2q) area_catch <- seq(1,150,1)

Hqpnat1 <- sapply(area_catch, get_Hq1_pnat, slope = 0.1) HQpnat1 <- Hqpnat1 * area_catch / 1000 Hqpnat2 <- sapply(area_catch, get_Hq1_pnat, slope = 0.5) HQpnat2 <- Hqpnat2 * area_catch / 1000 Hqpnat3 <- sapply(area_catch, get_Hq1_pnat, slope = 2) HQpnat3 <- Hqpnat3 * area_catch / 1000

plot(x = area_catch, y = Hqpnat3, type = “l”, xlab = “Catchment Area [km²]”, ylab = “Natural Discharge [L/(s*km²)]”, ylim = c(0,350), lwd = 2) lines(x = area_catch, y = Hqpnat2, col = “orange”, lwd = 2) lines(x = area_catch, y = Hqpnat1, col = “steelblue”, lwd = 2) legend(“bottomleft”, legend = c(“< 0.2 %”, “0.2 - 1 %”, “> 1%”), col = c(“steelblue”, “orange”, “black”), lwd = 2, title = “Slope”, cex = 0.8)

plot(x = area_catch, y = HQpnat3, type = “l”, xlab = “Catchment Area [km²]”, ylab = “Natural Discharge [m³/s]”, lwd = 2) lines(x = area_catch, y = HQpnat2, col = “orange”, lwd = 2) lines(x = area_catch, y = HQpnat1, col = “steelblue”, lwd = 2) legend(“topleft”, legend = c(“< 0.2 %”, “0.2 - 1 %”, “> 1%”), col = c(“steelblue”, “orange”, “black”), lwd = 2, title = “Slope”, cex = 0.8)